CA1097361A - Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor - Google Patents

Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor

Info

Publication number
CA1097361A
CA1097361A CA309,886A CA309886A CA1097361A CA 1097361 A CA1097361 A CA 1097361A CA 309886 A CA309886 A CA 309886A CA 1097361 A CA1097361 A CA 1097361A
Authority
CA
Canada
Prior art keywords
dihydro
acid
catalyst
benzodioxole
isopropyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA309,886A
Other languages
English (en)
French (fr)
Inventor
William J. Michaely
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FMC Corp
Original Assignee
FMC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FMC Corp filed Critical FMC Corp
Application granted granted Critical
Publication of CA1097361A publication Critical patent/CA1097361A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/86Benzo [b] furans; Hydrogenated benzo [b] furans with an oxygen atom directly attached in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
CA309,886A 1977-09-22 1978-08-23 Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor Expired CA1097361A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/835,630 US4118400A (en) 1977-09-22 1977-09-22 Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor
US835,630 1977-09-22

Publications (1)

Publication Number Publication Date
CA1097361A true CA1097361A (en) 1981-03-10

Family

ID=25270024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309,886A Expired CA1097361A (en) 1977-09-22 1978-08-23 Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor

Country Status (10)

Country Link
US (1) US4118400A (ja)
EP (1) EP0001486B1 (ja)
JP (1) JPS5448752A (ja)
BR (1) BR7806180A (ja)
CA (1) CA1097361A (ja)
DE (1) DE2861784D1 (ja)
DK (1) DK419278A (ja)
IE (1) IE47265B1 (ja)
IL (1) IL55432A (ja)
IT (1) IT1098842B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254140A (en) * 1980-03-20 1981-03-03 Smithkline Corporation 4-(2-Aminoethyl)-7-hydroxy-2-methyl-2,3-dihydrobenzofurans
US4380654A (en) * 1982-02-18 1983-04-19 Fmc Corporation Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
US4540800A (en) * 1982-04-22 1985-09-10 Ube Industries, Ltd. Preparation of 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurans
EP0123357A3 (en) * 1983-04-22 1985-07-31 ENICHIMICA SECONDARIA S.p.A. Process for the preparation of 2,3-bihydro-2,2-dimethyl-7-benzofuranol
DE3410542A1 (de) * 1984-03-22 1985-10-03 Basf Ag, 6700 Ludwigshafen Verfahren zur aromatisierung gesaettigter stickstoffhaltiger heterocyclen
US4639536A (en) * 1984-08-30 1987-01-27 Union Carbide Corporation Intermediate, its synthesis, and its use in a process for the preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
US4761491A (en) * 1984-12-24 1988-08-02 The Dow Chemical Company Preparation of 2-substituted-1,3-dioxacycloalkanes from diols and diunsaturated ethers
IN2013MU03604A (ja) * 2013-11-18 2015-07-31 Indian Oil Corp Ltd

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2169984A (en) * 1939-08-15 Perfume
US3474171A (en) * 1964-01-23 1969-10-21 Fmc Corp 2,2-dimethyl-2,3-dihydrobenzofuranyl-7-n-methylcarbamate
US3474170A (en) * 1964-01-23 1969-10-21 Fmc Corp Pesticidal carbamates of dihydrobenzofuranols
US3356690A (en) * 1965-02-04 1967-12-05 Fmc Corp Synthesis of 2, 3-dihydro-2, 2-dimethyl-7-benzofuranyl nu-methylcarbamate
NL130299C (ja) * 1965-03-01
US3419579A (en) * 1966-02-23 1968-12-31 Fmc Corp Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranol
US3736338A (en) * 1967-02-21 1973-05-29 Fisons Ltd Benzodioxole derivatives useful as pesticides
US3682973A (en) * 1969-06-24 1972-08-08 Leo Ab Benzodioxole compounds of therapeutic interest
US3566690A (en) * 1969-08-20 1971-03-02 Northern Electric Co Thermal delay semiconductor thermometer
US3876667A (en) * 1971-11-08 1975-04-08 Ici Australia Ltd Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl-n-methyl carbamate starting from ortho-isopropylphenol and methallyl halide
US3816473A (en) * 1971-11-08 1974-06-11 Ici Australia Ltd Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl n-methyl-carbamate
US3822295A (en) * 1971-12-02 1974-07-02 Ici Australia Ltd 2,3-dihydro-2,2-dimethyl-7-benzofuranyl sodium and a method for its preparation,and its use in the preparation of carbofuran
DE2309379A1 (de) * 1972-03-01 1973-09-20 Univ Monash Verfahren zur herstellung von carbofuran

Also Published As

Publication number Publication date
IL55432A (en) 1982-05-31
EP0001486A2 (en) 1979-04-18
DK419278A (da) 1979-03-23
EP0001486B1 (en) 1982-05-05
EP0001486A3 (en) 1979-05-16
IE781846L (en) 1979-03-22
BR7806180A (pt) 1979-04-17
JPS5448752A (en) 1979-04-17
IL55432A0 (en) 1978-10-31
US4118400A (en) 1978-10-03
IT7827791A0 (it) 1978-09-18
IT1098842B (it) 1985-09-18
IE47265B1 (en) 1984-02-08
DE2861784D1 (en) 1982-06-24

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19980310